This lesson focuses on the diffusion of gas molecules across the cuticle membrane of sea spider legs and the role body size plays in the ability of sea spiders to uptake gases. Students construct model sea spider legs of varying diameters and use them to investigate the relationship between surface area-to-volume ratios and diffusion.
A young marine biologist from Portugal shows the science, the beauty and the importance of the polar regions to the planet from a research cruise en route to Antarctica. Film is primarily in Portuguese with some English.
Storyteller Films presents the scientific efforts to understand and detect the movement of King Crab from Deep to shallow waters off the continental shelf of Antarctica. The film was made by the Palmer and Oden 2010/2011 expeditions. The crabs are an invasive species that may have large effects on this diverse marine ecosystem. The film ha a comical flair though
This information is a resource on everything Antarctica created by 3 students in a Thinkquest project, collaborating internationally - Oliver Strebel, Robert Merki and Ho Lik Man.